I think you will need to use the "osdmaptool" with the "--test-map-pgs-dump"
flag

https://docs.ceph.com/en/latest/man/8/osdmaptool/

Respectfully,

*Wes Dillingham*
LinkedIn <http://www.linkedin.com/in/wesleydillingham>
w...@wesdillingham.com




On Fri, Jun 27, 2025 at 12:49 PM Darrell Enns <darre...@knowledge.ca> wrote:

> Is there a way to get a pg dump for a previous epoch?
>
> I have a situation where I want to make sure all of the PGs that used to
> be on a specific OSD are deep scrubbed. However, since that OSD is now down
> and all the PGs have been relocated, I don't know what the PG numbers are.
> I know the epoch number I want to look at, and I can "ceph osd getmap
> <epoch>". But I'm not sure if there's a way to use this to get/view the pg
> map.
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